50 lines
1.4 KiB
Python
50 lines
1.4 KiB
Python
import py
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def pytest_funcarg__stdcapture(request):
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""" capture writes to sys.stdout/sys.stderr. """
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capture = Capture(py.io.StdCapture)
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request.addfinalizer(capture.finalize)
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return capture
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def pytest_funcarg__stdcapturefd(request):
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""" capture writes to filedescriptors 1 and 2"""
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capture = Capture(py.io.StdCaptureFD)
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request.addfinalizer(capture.finalize)
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return capture
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class Capture:
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def __init__(self, captureclass):
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self._captureclass = captureclass
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self._capture = self._captureclass()
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def finalize(self):
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self._capture.reset()
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def reset(self):
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res = self._capture.reset()
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self._capture = self._captureclass()
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return res
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def test_generic(plugintester):
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plugintester.hookcheck()
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class TestCapture:
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def test_std_functional(self, testdir):
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evrec = testdir.inline_runsource("""
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def test_hello(stdcapture):
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print 42
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out, err = stdcapture.reset()
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assert out.startswith("42")
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""")
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evrec.assertoutcome(passed=1)
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def test_stdfd_functional(self, testdir):
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evrec = testdir.inline_runsource("""
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def test_hello(stdcapturefd):
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import os
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os.write(1, "42")
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out, err = stdcapturefd.reset()
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assert out.startswith("42")
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""")
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evrec.assertoutcome(passed=1)
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